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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCS-100) JCS never going out of the dispose methode
Date Mon, 12 Nov 2012 13:09:12 GMT

    [ https://issues.apache.org/jira/browse/JCS-100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495238#comment-13495238
] 

Jean-Marc Spaggiari commented on JCS-100:
-----------------------------------------

Hi Thomas,

Application is running under Windows. 

Here is the application configuration:
{code}
			Properties props = new Properties();
			//# DEFAULT CACHE REGION
			//# sets the default aux value for any non configured caches
			props.put("jcs.default", "");
			props.put("jcs.default.cacheattributes", "org.apache.jcs.engine.CompositeCacheAttributes");
			props.put("jcs.default.cacheattributes.MaxObjects", "10000");
			props.put("jcs.default.cacheattributes.MemoryCacheName", "org.apache.jcs.engine.memory.lru.LRUMemoryCache");
			props.put("jcs.default.elementattributes.IsEternal", "false");
			props.put("jcs.default.elementattributes.MaxLifeSeconds", "86400");
			props.put("jcs.default.elementattributes.IdleTime", "1800");
			//props.put("jcs.default.elementattributes.IsSpool", "true");
			//props.put("jcs.default.elementattributes.IsRemote", "false");
			//props.put("jcs.default.elementattributes.IsLateral", "false");
			//# CACHE REGIONS AVAILABLE
			//# Regions preconfigured for caching
			props.put("jcs.region.robotCache", "DC");
			props.put("jcs.region.robotCache.cacheattributes", "org.apache.jcs.engine.CompositeCacheAttributes");
			props.put("jcs.region.robotCache.cacheattributes.MaxObjects", "131072");
			props.put("jcs.region.robotCache.cacheattributes.MemoryCacheName", "org.apache.jcs.engine.memory.lru.LRUMemoryCache");
			props.put("jcs.region.robotCache.cacheattributes.UseMemoryShrinker", "true");
			props.put("jcs.region.robotCache.elementattributes.IsEternal", "false");
			props.put("jcs.region.robotCache.elementattributes.MaxLifeSeconds", "604800");
			props.put("jcs.region.robotCache.elementattributes.IdleTime", "1800");
			props.put("jcs.region.robotCache.elementattributes.IsSpool", "true");
			props.put("jcs.region.robotCache.elementattributes.IsRemote", "false");
			props.put("jcs.region.robotCache.elementattributes.IsLateral", "false");
			props.put("jcs.region.lastDomainAccessCache", "");
			props.put("jcs.region.lastDomainAccessCache.cacheattributes", "org.apache.jcs.engine.CompositeCacheAttributes");
			props.put("jcs.region.lastDomainAccessCache.cacheattributes.MaxObjects", "1000");
			props.put("jcs.region.lastDomainAccessCache.cacheattributes.MemoryCacheName", "org.apache.jcs.engine.memory.lru.LRUMemoryCache");
			props.put("jcs.region.lastDomainAccessCache.elementattributes.IsEternal", "false");
			props.put("jcs.region.lastDomainAccessCache.elementattributes.MaxLifeSeconds", "60");
			props.put("jcs.region.lastDomainAccessCache.elementattributes.IdleTime", "1800");
			props.put("jcs.region.lastDomainAccessCache.elementattributes.IsSpool", "true");
			props.put("jcs.region.lastDomainAccessCache.elementattributes.IsRemote", "false");
			props.put("jcs.region.lastDomainAccessCache.elementattributes.IsLateral", "false");
			//# AUXILIARY CACHES AVAILABLE
			//# Primary Disk Cache -- faster than the rest because of memory key storage
			props.put("jcs.auxiliary.DC", "org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory");
			props.put("jcs.auxiliary.DC.attributes", "org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes");
			props.put("jcs.auxiliary.DC.attributes.DiskPath", "robotCache");
			props.put("jcs.auxiliary.DC.attributes.MaxPurgatorySize", "131072");
			props.put("jcs.auxiliary.DC.attributes.MaxKeySize", "131072");
			props.put("jcs.auxiliary.DC.attributes.OptimizeAtRemoveCount", "32768");
			props.put("jcs.auxiliary.DC.attributes.MaxRecycleBinSize", "32768");
			props.put("jcs.auxiliary.DC.attributes.OptimizeOnShutdown", "true");

			ccm.configure(props);
{code}

I'm usually running about 50 threads accessing the cache at the same time. It's not easy to
reproduce because sometime it's working fine, sometime it's not. I don't know what's making
it failing. When it's blocked, is there any variable I should look at to help? I'm usually
running the application in debug mode on Eclipse.

Thanks.
                
> JCS never going out of the dispose methode
> ------------------------------------------
>
>                 Key: JCS-100
>                 URL: https://issues.apache.org/jira/browse/JCS-100
>             Project: Commons JCS
>          Issue Type: Bug
>          Components: Composite Cache
>    Affects Versions: jcs-1.3
>         Environment: Windows
>            Reporter: Jean-Marc Spaggiari
>
> I have an application using many threads all calling JCS. When I close the application,
the cache is usually working fine, but sometime, it stays stucked on the dispose methode.
> The cacheEventQueue never going empty. Then it's looping on while ( keepGoing ) and never
ending. I have to kill the application to exit.
> It's difficult to reproduce. There is no fixed pattern so far.

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